Bug 445685 - (CVE-2008-2108) CVE-2008-2108 PHP weak 64 bit random seed
CVE-2008-2108 PHP weak 64 bit random seed
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
http://nvd.nist.gov/nvd.cfm?cvename=C...
source=cve,impact=low,public=20080506...
: Reopened, Security
Depends On: 445917 445919 445920 445921 445922 445923 445924 445925
Blocks:
  Show dependency treegraph
 
Reported: 2008-05-08 10:40 EDT by Josh Bressers
Modified: 2008-09-30 02:44 EDT (History)
2 users (show)

See Also:
Fixed In Version: 5.2.6-2.fc9
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2008-09-30 02:44:09 EDT
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Description Josh Bressers 2008-05-08 10:40:17 EDT
Common Vulnerabilities and Exposures assigned an identifier CVE-2008-2108 to the following vulnerability:

The GENERATE_SEED macro in PHP 4.x before 4.4.8 and 5.x before 5.2.5, when running on 64-bit systems, performs a multiplication that generates a portion of zero bits during conversion due to insufficient precision, which produces 24 bits of entropy and simplifies brute force attacks against protection mechanisms that use the rand and mt_rand functions.

Refences:
http://www.securityfocus.com/archive/1/archive/1/491683/100/0/threaded
http://archives.neohapsis.com/archives/fulldisclosure/2008-05/0103.html
http://www.sektioneins.de/advisories/SE-2008-02.txt
http://xforce.iss.net/xforce/xfdb/42226
Comment 3 Fedora Update System 2008-06-14 00:19:45 EDT
php-5.2.6-2.fc9 has been pushed to the Fedora 9 testing repository.  If problems still persist, please make note of it in this bug report.
 If you want to test the update, you can install it with 
 su -c 'yum --enablerepo=updates-testing update php'.  You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F9/FEDORA-2008-3606
Comment 4 Fedora Update System 2008-06-20 15:08:12 EDT
php-5.2.6-2.fc8 has been pushed to the Fedora 8 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2008-06-20 15:09:24 EDT
php-5.2.6-2.fc9 has been pushed to the Fedora 9 stable repository.  If problems still persist, please make note of it in this bug report.

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